United States Patent [19] [li] Patent Number: 4,891,785
Donohoo [45] Date of Patent: Jan. 2,1990
[54] METHOD FOR TRANSFERRING DATA FILES BETWEEN COMPUTERS IN A NETWORK RESPONSE TO GENERALIZED APPLICATION PROGRAM INSTRUCTIONS
[76] Inventor: Theodore J. Donohoo, 1027
Evergreen Trail, Lino Lakes, Minn.
55014
[21] Appl. No.: 216,770
[22] Filed: Jul. 8,1988
[51] Int. Q.* G06F 9/00
[52] U.S. CI 364/900; 364/942.03;
364/940.81
[58] Field of Search 364/200, 900
[56] References Cited
U.S. PATENT DOCUMENTS
4,011,545 3/1977 Nadir 364/200
4,228,496 10/1980 Katzman et al 364/200
4,256,926 3/1981 Pitroda et al 364/200
4,402,045 8/1983 Krol 364/200
Primary Examiner—Thomas M. Heckler
Assistant Examiner—John G. Mills
Attorney, Agent, or Firm—Paul L. Sjoquist
[57] ABSTRACT
A method for transferring data files between processors in a linked network of computer processors, under applications program control operable in one or more of the processors, wherein a special applications program instruction is devised to cause the executing computer to process a utility program which identifies the data file being requested and transmits a request for such data file to another computer processor holding the data file. The computer processor holding the data file implements a special utility routine in response thereto, to first identify whether the requesting computer processor is authorized to receive the data file, and then transmits the data file to the requesting computer processor.
2 Claims, 7 Drawing Sheets
